Inequalities Mixed Review

Pet Supplies makes a profit of $5.50 per bag on its line of natural dog food. If the store wants to make a profit of no less than $5225, how many bags of dog food does it need to sell?

• x ÷ 5.50 ≥ 5225

• 5.50x ≥ 5225

• x + 5.50 ≤ 5225

• x − 5.50 ≤ 5225

When you graph an inequality, you use a closed dot when you use which symbols?

• ≤, ≥ 

• <, >

• ≤, <

• ≥, >

Mrs. Scott decided that she would spend no more than $120 to buy birthday presents for her triplets. Which inequality can be used to determine the maximum Mrs. Scott can spend on each child?

• 3x > 120

• 3x ≤ 120

• x + 3 ≤ 120

• x + 3 > 120

What inequality does the number line graph represent?

• x > 5

• x < −5

• x ≥ 5

• x ≥ −5

Solve and graph the inequality.
77 ≤ 5 + 8n

• A

• B

• C

• D

Greater than

• <

• >

• ≤

• ≥

Less Than

• <

• >

• ≤

• ≥

Less than or equal to

• <

• >

• ≤

• ≥

Greater than or equal to

• <

• >

• ≤

• ≥

x + 5 < 6 

• x < 1

• x > 1

• x < 11

• x > 11